Prop 39 Express

Engines, Drive trains, Propellers, Steering, Ground Tackle and other mechanical system

Prop 39 Express

Postby IandI » Fri Jan 15, 2016 9:47 am

Good Day all. I am removing my Maxprop as refurbishment is simply too costly. I would like to put a fixed prop on and am wondering what other 39s have for a set up.
Eng, trans, prop and pitch?
I have a 44hp, Hurth 150V 2R A 2,13 B2,22
Thanks all
Steve
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Re: Prop 39 Express

Postby marno » Wed Jan 20, 2016 4:54 am

Hi Steve,

I have a Perkins 4-108 (Nominally 50HP), not sure of the gearbox without visiting the boat (almost definitely a Hurth) with a 17 x 12 prop. I have no problems revving the engine out to 4000 rpm if need be, so it is way underpropped. If you look at the attached picture I could go to an 18" prop with no problems.
I have my eye on the Kiwi props, they have 3 and 4 bladed versions and seem like a good idea, but I'll wait until I re-engine the boat. I'm thinking about going electric, which would need a different prop anyway.

Hope that helps

Regards

Marno
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Marno

F39 Express
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